<template>
  <div class="auth-page">
    <div class="container page">
      <div class="row">
        <div class="col-md-6 offset-md-3 col-xs-12">
          <h1 class="text-xs-center">{{ isLogin ? "Sign in" : "Sign up" }}</h1>
          <p class="text-xs-center">
            <nuxt-link v-if="isLogin" to="/register">Need an account?</nuxt-link>
            <nuxt-link v-else to="/login">Have an account?</nuxt-link>
          </p>
          <ul class="error-messages">
            <template v-for="(messages, field) in errors">
              <li v-for="(message, index) in messages" :key="index">{{ field }} {{ message }}</li>
            </template>
            <li>That email is invalid.</li>
          </ul>
          <form @submit.prevent="onSubmit">
            <fieldset v-if="!isLogin" class="form-group">
              <input
                v-model="user.username"
                class="form-control form-control-lg"
                type="text"
                placeholder="Your Name"
                required
              />
            </fieldset>
            <fieldset class="form-group">
              <input
                v-model="user.email"
                class="form-control form-control-lg"
                type="email"
                placeholder="Email"
                required
              />
            </fieldset>
            <fieldset class="form-group">
              <input
                v-model="user.password"
                class="form-control form-control-lg"
                type="password"
                placeholder="Password"
                required
              />
            </fieldset>
            <button
              class="btn btn-lg btn-primary pull-xs-right"
            >{{ isLogin ? "Sign in" : "Sign up" }}</button>
          </form>
        </div>
      </div>
    </div>
  </div>
</template>
<script>
import { login, register } from "@/api/user";
const Cookie = process.client ? require('js-cookie') : undefined
export default {
  middleware: 'notAuthenticated',
  name: "LoginIndex",
  data () {
    return {
      user: {
        username: "",
        email: "",
        password: "",
      },
      errors: {
        // 错误信息
      },
    };
  },
  computed: {
    isLogin () {
      return this.$route.path === "/login";
    },
  },
  methods: {
    async onSubmit () {
      try {
        // 登录注册
        const { data } = this.isLogin
          ? await login({
            user: this.user,
          })
          : await register({
            user: this.user,
          });
        // 保存用户的登录状态
        this.$store.commit("setUser", data.user);
        // 为了防止刷新页面数据丢失，需要把数据持久化 cookie是前后端都可以访问到
        Cookie.set('user', data.user)
        // 跳转到首页
        this.$router.push("/");
      } catch (err) {
        this.errors = err.response.data.errors;
      }
    },
  },
};
</script>
<style>
</style>